Senior Software Engineer - Domestic Wires

Mercury is a fintech company focused on enabling secure and reliable domestic wire transfers. As a Senior Engineer, you will design high-reliability systems, influence technical strategy, and collaborate across teams to ensure the delivery of sustainable and quality software solutions.

Responsibilities:

• Lead Projects End-to-End: Drive technical projects from concept to production. Define solutions, analyze tradeoffs, make critical decisions, and deliver software that works today and is sustainable for tomorrow
• Collaborate Across Functions: Partner with product, design, and business stakeholders to shape initiatives. Translate between technical and non-technical audiences to ensure clarity, alignment, and buy-in
• Code Craftsmanship: Write clear, testable, and maintainable code. Establish patterns and best practices that your team can follow, ensuring long-term scalability and reliability
• Build for Quality & Sustainability: Design extensible systems, make balanced decisions on tech debt, plan careful rollouts, and own the quality of your work through post-launch monitoring
• Think Product, Not Just Code: Approach problems with a product mindset. You care as much about the business impact of what you build as the technical design
• Mentor & Elevate: Coach engineers on your team by sharing patterns, practices, and critical thinking to raise the technical bar and foster a culture of sustainable engineering

Requirements:

• Seven or more years of backend software engineering experience
• Proven experience leading technical projects at scale, including planning, execution, and stakeholder management
• Experience maintaining and improving legacy systems
• Clear and persuasive communication skills — you can articulate tradeoffs and influence decisions across teams, communicating clearly with non-technical stakeholders
• A mindset that balances urgency with craftsmanship: shipping fast, without cutting corners on quality engineering
• Creativity and adaptability — you think beyond the obvious and find solutions that move both product and business forward
• A track record of mentoring engineers and helping teams grow